sound and workable; feasible切实可行的; 可实施的: a viable plan, proposition, proposal,etc 切实可行的计画﹑ 提议﹑ 建议等 * scientifically, politically, economically viable 科学上﹑ 政治上﹑ 经济上可行的. 
(biology 生) capable of developing and surviving independently 能自行生长发育的: viable eggs, seeds, foetuses 能孵化的蛋﹑ 能萌发的种子﹑ 能成活的胎儿. > viability / 9vaIE5bIlEtI; 9vaIE`bIlEtI/ n [U]: test the commercial viability of solar power 试验将太阳能商品化的可行性.